/*
 * The MIT License (MIT) Copyright (c) 2013 AlgorithmX2 Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software
 * without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute,
 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions: The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
 * AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

package appeng.api.networking.storage;

import appeng.api.networking.security.BaseActionSource;
import appeng.api.storage.StorageChannel;
import appeng.api.storage.data.IAEStack;
import appeng.api.storage.data.IItemList;

public interface IStackWatcherHost {

    /**
     * provides the IStackWatcher for this host, for the current network, is called when the hot changes networks. You
     * do not need to clear your old watcher, its already been removed by the time this gets called.
     *
     * @param newWatcher stack watcher
     */
    void updateWatcher(IStackWatcher newWatcher);

    /**
     * Called when a watched item changes amounts.
     *
     * @param o         changed item list
     * @param fullStack old stack
     * @param diffStack new stack
     * @param src       action source
     * @param chan      storage channel
     */
    void onStackChange(IItemList o, IAEStack fullStack, IAEStack diffStack, BaseActionSource src, StorageChannel chan);
}
